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Ozzy Marsh
Spilsby, PE23
P MARSH BUILDING CONTRACTOR is an established and experienced local extension builder in Spilsby. Please contact us for a free, no obligation quote...
From £51,584
Trusted and professional extension builder in Spilsby. Experienced in all extension buildering work and keeping within budget and on quote. A J REE...
From £51,528
Spilsby, PE23
Trusted and professional extension builder in Spilsby. Experienced in all extension buildering work and keeping within budget and on quote. PAUL JA...

Mansard loft conversions range from the cheapest installation of £51,528 (PAUL JACKSON BUILDING CONTRS based in PE23) to the dearest of around £52,304 (P MARSH BUILDING CONTRACTOR based in PE23).
While these estimates give you a good idea how much you'll pay for a mansard loft conversion, the only way to get an accurate price is to get real quotes from real builders.
Get quotes to install a mansard loft conversion in Spilsby by posting a job with HaMuch and we'll send it to extension builders in Spilsby.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near East Lindsey | £27 | £198 |
| Build A Mansard Loft Conversion near Boston | £28 | £262 |
| Build A Mansard Loft Conversion near Cleethorpes | £32 | £246 |
| Build A Mansard Loft Conversion near North East Lincolnshire | £32 | £246 |
| Build A Mansard Loft Conversion near Grimsby | £32 | £246 |
| Build A Mansard Loft Conversion near Spalding | £32 | £238 |
| Build A Mansard Loft Conversion near Lincoln | £31 | £232 |
| Build A Mansard Loft Conversion near Kings Lynn & West Norfolk | £31 | £238 |
| Build A Mansard Loft Conversion near King's Lynn | £33 | £254 |
| Build A Mansard Loft Conversion near North Lincolnshire | £28 | £216 |
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Underpin a building - £17,305

Two storey extension - £87,708

Build a timber frame extension - £25,805

Build a swimming pool - £80,805

Single storey extension - £51,107

Side return extension - £39,310

Install an RSJ - £2,005

Outbuilding - £9,805

Build a Mansard loft conversion - £51,805

Loft conversion - £31,925

Build a kitchen extension - £41,805

Hip to gable loft conversion - £41,805

Granny annexe - £86,805

Garden office - £9,805

Convert a Garage - £15,805

Garage - £18,305

Build a flat roof extension - £21,805

Build a dormer loft conversion - £41,805

Concrete foundations - £6,055

Convert a bungalow loft - £28,805

Convert a basement - £35,310